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Cell organelles

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Understanding the importance of special structures in a cell!

Understanding the importance of special structures in a cell!

Published in: Technology

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  • 1. Role of CellOrganellesPrepared byKalsoomMuhammadSaleem
  • 2. Cell OrganelleAn organelle is a membrane-boundstructure that carries out specificactivities for the cell.
  • 3. Cell Organelles Nucleus Nucleoli Mitochondria Ribosomes Endoplasmic Reticulum Smooth Endoplasmic Reticulum Rough Endoplasmic Reticulum Golgi Apparatus (Golgi body or Golgi Complex) Lysosomes Peroxisomes Secretory Vesicles Cell Cytoskeleton
  • 4. Nucleus Control centre ofcell containing DNAcode inchromosomes Genes (DNA) controland promotereproduction of cell
  • 5. Nucleoli Staining structurespresent in nucleus Site oftranscription Assemblesribosomes
  • 6. Mitochondria Power house of cell Contains oxidativeenzymes on shelvesand dissolvedenzymes in matrixthat work inassociation witheach other to produceATP Contains DNA andare self-replicating
  • 7. Ribosomes Composed ofmixtures of RNAand proteins They function inprotein synthesis
  • 8. Endoplasmic Reticulum Substancesproduced in someparts of cell entreER and aretransported toother parts of cell Machinery formajor share ofmetabolicfunctions
  • 9. Smooth Endoplasmic Reticulum Synthesis of lipidsubstances Other processes ofcells promoted byreticular enzymes
  • 10. Rough Endoplasmic Reticulum Synthesis andpackaging ofproteins byprocess of proteingeneration, folding,transport andprotein qualitycheck
  • 11. Golgi Apparatus Transport vesicles arepinched off from ERand attach to GolgiApparatus Processed andconverted intolysosomes, secretoryvesicles and othercytoplasmiccomponents in GolgiApparatus
  • 12. Lysosomes Provided withintracellular digestivesystem that allows cellto digest Damaged cellularstructures Food particles thathave been ingested bycell Unwanted matter Hydrolase enzymehydrolysis organiccompounds
  • 13. Peroxisomes Oxidases combineOxygen withHydrogen and formHydrogen peroxidewhich withcatalase (enzyme)oxidise manysubstances whichare otherwisepoisonous
  • 14. Secretory Vesicles Store protein proenzymes that aresecreted into pancreatic duct andthen to duodenum, where they digestfood
  • 15. Cell Cytoskeleton Made up offilaments andmicrotubules Filaments provideelastic support tocell membrane Microtubules providerigid physicalstructures for cell
  • 16. Questions are guaranteed in life, answers arent…..!!!
  • 17. ThankYou